42776528 has 20 divisors (see below), whose sum is σ = 85554048. Its totient is φ = 20698080.

The previous prime is 42776519. The next prime is 42776557. The reversal of 42776528 is 82567724.

42776528 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

42776528 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42626 + ... + 43617.

Almost surely, 2^42776528 is an apocalyptic number.

It is an amenable number.

42776528 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42776528 is a wasteful number, since it uses less digits than its factorization.

42776528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86282 (or 86276 counting only the distinct ones).

The product of its digits is 188160, while the sum is 41.

The square root of 42776528 is about 6540.3767475582. The cubic root of 42776528 is about 349.7318435810.

The spelling of 42776528 in words is "forty-two million, seven hundred seventy-six thousand, five hundred twenty-eight".